<%@ page import="java.util.Enumeration" %><%--
  Created by IntelliJ IDEA.
  User: dinglei
  Date: 2018/12/7
  Time: 20:24
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

<%
    Enumeration<String> attributeNames = request.getAttributeNames();

    while (attributeNames.hasMoreElements())
    {
        String s = attributeNames.nextElement();
        System.out.println(s+" :  "+request.getAttribute(s));
    }

%>

</body>
</html>
